Machine for cleaning tin



S. E. DIESCHER.

MACHINE FOR CLEANING TIN PLATES.

APPLICATION FILED APR.21.|9|1.

1,318,483. Patented Oct. 14,1919.

2 SHEETS-SHEET I.

WITNESSES l W3 WW THE cmx'wmm PLANOGRAPM 40., WASHINGTON. 01 c.

S. E. DIESCHER.

MACHINE FOR CLEANING T|N PLATES.

APPLICATION FILED APILZM I917.

'1 318,483. Patented Oct. 14,1919.

2 SHEETS-SHEET 2.

I NVEIfITOR wmswm fal' col-mum ruubmimn co.. WASHINGTON, o. c.

SAMUEL E. DIESCI-IER, or PITTSBURGH, PENNSYLVANIA.

MACHINE m cLEANI e TIN PLATES.

. Specification of Letters Patent, Patented Oct. 14., 1919.

7 Application filed April 21, 1917. Serial No. 163,645.

To all whom it may concern:

Be it known that I, SAMUEL E. DIEscHER, residing at Pittsburglnin thecounty of Allegheny and State of Pennsylvania, a citizen of the UnitedStates, have invented or discovered certain new and usefulImprovementsin Machines for Cleaning Tin Plates, of which Improvements the followingis a specification.

The invention described herein relates to certain improvements inmachines for cleaning tin plates of the type or construction embodying aplurality of pairs of cleaning rolls, between whichthe sheets andcleaning material pass, both rolls of each pair being positively drivenand one roll of each pair being driven either faster or slower than theother roll. In such machines it has been found the practice to securethe gear wheels" through which the rolls are driven tothe necks orjournals of rolls, and hence'inorder-to permit of the rolls beingadjusted to compensate for wear, the gear wheels must be constructed asto permit of such adjustment with long teeth, so that when the rolls arenew the teeth will intermesh only for a portion of their length. It hasbeen found that the intermeshing of the gears on the roll-journals willexert pressure on-the' latter in a direction to cause the gears androlls to separate while work is being performed, and hence it has beennecessary to positively hold the rolls, as by set screws, as againstseparation. The rolls being positively held from separation by setscrews, constant watchfulness of the wear of the rolls has beennecessary to insure eflicient cleaning, for as soon as even a littlewear occurs the rolls must be adjusted and adjustments have to be madefor different weights and thicknesses of plate cleaned, and other thingshaving to do with the condition of bran.

The object of the invention described herein is to provide such meansfor driving the rolls as will permit of the automatic adjustment of therolls as wear occurs, and will permit of a separation of the rolls of apair, due to the passage of cobbles or'an excess of cleaning materialbetween them and the automatic restoration of working condi tions aftersuch accidental separation. The invention is hereinafter more fullydescribed and claimed.

In the accompanying drawing forming a part of this specification, Figure1 is a sectional elevation of a tin-plate cleaning ma:

chine embodying my improvement; Fig. 2 isa sectional elevation on aplane indicated by the line IIII, Fig. 1, and Fig. 3 is a detail view ofa modified form of coupling.

In the practice of invention, the cleaning rolls 1 and 2 are mountedi'nsuitable bearings 3 and 1, arranged in slots in the side frames 5;these rolls may be constructed in any suitable manner known in the art,6. 9., both of them made of disks of fabric or one of them is made ofs'teel,fas indicated; The bearings of the upper roll 1 are adapted tomove vertically in thev slots of the side frames but are yieldinglyheldfrom" such movement bymeans of springs 6 interposed between the journalboxes 3 of this'roll and the adjusting screws 7. This constructioi'iwill permit of the separation of the rollsin case of'the passage betweenthem'of an excess of bran or cobble-,, and the upper roll will beimmediately returned to working relation to the lower roll by thesprings. The journals or necks of these rolls are provided atone endwith coupling boxes 8 for the reception of the wabblers 9 on theends ofspindles 10. The'boxes and wabblers may be made of any suitableconstruction known in the art, permitting of the movement of the rollswithout' interference with their driving connections.- The oppositeends-ofthe spindles are also provided with wabblers 11 adapted toengage' boxes 12 on driving shafts 13 mounted in suitable bearings inthe sides of the gear housing 15. In bearings 16 in the same housing, ismount-ed a driving shaft 17 on which are secured a gear-wheel 18 andpinion 19, which are adapted to intermesh with two trains of gears,through.

which motion is imparted to the pairs of shafts 13 adapted to beconnected, as hereinbefore described, by the spindles to the severalpairs of rolls.

By reason of the flexible connections between the driving shafts and therolls, the latter may be adjusted to any necessary or desirable extentwithout in any way interferingwith the driving efficiency of the trainsof gearing- In case it-should become necessaryto remove the rolls, thegear housing may be slid along its supporting shoes 20 a suflicientdistance to-effect the disengagement of one end of the spindles withtheir coupling boxes, thus avoiding the ne cessity of'dismantling thetrain of gears or other driving means in order'to remove therolls. I

In lieu of shifting the gear housing as described, when it is desired todisconnect the rolls from their driving mechanism, a spindle formed ofseparable sections, as shown in Fig. 3, may be employed. In thisconstruction, the wabblers 9 and 11 are formed on the ends of shortshaft sections 21, the opposite ends of such sections being providedwith flanges through which, and through a spacing block 22, interposedbe tween the flanges, the bolts are passed. This construction permits ofdisengagement of the driving mechanism and the rolls without moving thehousing. In order to prevent the escape of bra-n through the slots inwhich the roll bearings are mounted, same should be closed; one way ofdoing this is by means of blocks 23 of wood or other suitable materialplaced in such slots as shown in Fig. 1. These should bemade of a heightthat will allow clearance for bearing adjustment as shown.

I claim herein as my invention:

1. In a cleaning machine, the combination of a housing, a plurality ofpairs of rolls mounted in said housing and adapted to feed and cleansheets between them, a second housing, a plurality of pairs of drivingshafts mounted in said second housing, independent of and separated fromthe first housing, means for driving such shafts at such relative speedsas will effect a cleaning of the sheets, and driving members interposedbetween and detachably connected to the respective driving shafts androlls.

2. In a cleaning machine the combination of a housing, a plurality ofpairs of rolls mounted in said housing and adapted to feed and cleansheets between them, a second housing, a plurality of pairs of drivingshafts mounted in said second housing, one of the housings being movablyrelated to the other, means for driving such shafts at such relativespeeds as will effect a cleaning of the sheets, and driving membersinterposed between and detachably connected to the driving shafts andtheir respective rolls.

3. In a cleaning machine the combination of a housing, a plurality ofpairs of rolls mounted in said housing, the upper member of each pairbeing vertically movable, resilient means for holding such upper rollsin operative relation to the lower rolls, a second housing, a pluralityof pairs of shafts mounted in said second housing, means for rotatingsuch shafts and driving members interposed between such pairs of shaftsand the rolls and detachably connected to the respective shafts androlls.

4. In a cleaning machine the combination of a housing, a plurality ofpairs of rolls mounted in the housing, a roll of each pair being movedtoward and away from the other roll of said pair, resilient means forholding the movable rolls of each pair in operative relation to theother roll of such pair, a second housing movable toward and from theother housing, a plurality of pairs of shafts mounted in the movablehousing, trains of gearing for operating such shafts and detachablemeans connecting such shafts with the.respective rolls.

In testimony whereof I have hereunto set my hand.

SAMUEL E. DIESCHER.

Witness MARGARET M. RnARDoN.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents,

' Washington, D. C.

